Table 3 Serum periostin levels at time points in long bone fracture group, and ratio of geometric means compared with week 26 reference level
Visit | N | Periostin mean (SD)a | Change from reference Mean (SD)a | Ratio of geometric means (95% CI) | P |
|---|---|---|---|---|---|
Within 48 h | 34 | 42.7 (10.6) | − 13.4 (12.4) | 0.76 (0.71–0.83) | < 0.001 |
 Week 1 | 34 | 45.7 (11.9) | − 11.2 (10.9) | 0.81 (0.76–0.88) | < 0.001 |
 Week 2 | 34 | 52.5 (13.0) | − 3.7 (8.2) | 0.94 (0.87–1.02) | 0.12 |
 Week 4 | 33 | 62.0 (18.2) | − 5.8 (10.9) | 1.10 (1.02–1.18) | 0.015 |
 Week 8 | 34 | 66.6 (25.1) | − 11.0 (16.1) | 1.15 (1.06–1.23) | < 0.001 |
 Week 12 | 32 | 63.9 (21.9) | − 7.7 (10.9) | 1.11 (1.04–1.20) | 0.004 |
 Week 26 (reference) | 30 | 56.0 (16.3) | – | – | – |